20313223

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{937}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 24613120

約数和(自身を除く): 4299897

約数列:

[1, 7, 19, 133, 163, 937, 1141, 3097, 6559, 17803, 21679, 124621, 152731, 1069117, 2901889, 20313223]

約数ペア:

[(1, 20313223), (7, 2901889), (19, 1069117), (133, 152731), (163, 124621), (937, 21679), (1141, 17803), (3097, 6559)]